![]() The blood test for immunity to hepatitis A is called the “Hepatitis A Total Antibody test.” People who have had hepatitis A and those who have received hepatitis A vaccine show positive antibodies to hepatitis A on this test for the rest of their life.People who have hepatitis A infection become immune to HAV for the rest of their lives once they recover. ![]() For infants that will be traveling internationally, an early dose of Hepatitis A vaccine can be given at age 6-11 months. The CDC recommends hepatitis A vaccine for all persons traveling to countries where HAV is common ( CDC Yellow Book).The American Academy of Pediatrics recommends that all children should receive hepatitis A vaccine starting at 1 year of age ( 2007 AAP Statement).Protection starts 1-2 weeks after the first dose of vaccine, and lasts for 20 years to life after 2 doses. Vaccination consists of 2 doses of vaccine (shots) spaced 6-12 months apart. The vaccine is safe and highly effective. The hepatitis A vaccine offers excellent protection against HAV.People who eat raw or under-cooked shellfish.Persons traveling to countries where hepatitis A is common.Persons living in the same household with an infected person.Certain groups of people do have a higher risk of developing HAV infection and should be vaccinated: Food-borne outbreaks occur sporadically throughout the USA. Who is at Risk for Infection?Īnyone who is not immune to hepatitis A can get hepatitis A infection. After the virus enters the body, there is an incubation period lasting 2 to 7 weeks until illness begins. People usually get hepatitis A by having close contact with a person who is infected, from food or drinks prepared by someone who is infected, or by eating shellfish harvested from sewage-contaminated water. It enters the body through the mouth after someone handles something contaminated with HAV, or eats or drinks something contaminated with HAV. Hepatitis A virus is found in the stool (feces) of people with HAV infection. Hepatitis A is still common in Latin America, Africa, the Middle East, Asia, and eastern Europe. Still, there are cases of hepatitis A reported to the San Francisco Department of Public Health every year among San Francisco residents. In the USA, hepatitis A infections have declined by 90% since the hepatitis A vaccine first became available in 1995. Hepatitis A is a contagious liver infection caused by the hepatitis A virus (HAV). New Dosing of IM Immune Globulin for Hepatitis A Post Exposure Prophylaxis- Aug 2017.Forms for Specimen and Culture Submission.Non-Diagnostic General Health Assessments (NGHA).Check COVID-19 and Influenza Test Results Online. ![]()
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